IsWellFormedTag function (bcp47mrm.h)

Determines whether a BCP-47 language tag is well-formed.

Syntax

bool IsWellFormedTag(
  PCWSTR pszTag
);

Parameters

pszTag

Type: PCWSTR

A BCP-47 language tag.

Return value

true if the language tag is well-formed as defined by BCP-47, except when the language tag can never be valid according to BCP-47. Otherwise it returns false.

Remarks

If this function returns true, an application can safely construct a Windows Runtime Language by using this tag. If it returns false, attempting to construct a Language for the given tag will throw an exception.

Requirements

See also

BCP-47 language tags